| Vendor | Spec | Unit | Price | Currency | Date |
| Sinopec | China national standards | MT | 1085.71 | USD | 20250808 |
| Shandong Langchem | China national standards | MT | 1057.69 | USD | 20250808 |
| Shandong Langchem | China national standards | MT | 966.63 | USD | 20250808 |
| Qingdao Shengze Chem | China national standards | MT | 826.54 | USD | 20250808 |
| Shandong Xingpeng Chem | China national standards | MT | 854.56 | USD | 20250808 |
| Shandong Xima | China national standards | MT | 784.51 | USD | 20250808 |
| Huizhou Jincheng Petro | China national standards | MT | 1092.71 | USD | 20250808 |
| Huizhou Jincheng Petro | China national standards | MT | 1092.71 | USD | 20250808 |
| Aite Zhejiang | China national standards | MT | 1008.66 | USD | 20250808 |
| Sinopec | China national standards | MT | 1092.71 | USD | 20250808 |